所有科技知识-科学时代

科学时代收录了3405121条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

first pinacoid	first-pitch of coil	first pointer	first point of Aries	First Point of Aries
First point of aries; March equinox; vernal equinox	first point of cancer	First point of cancer; summer solstitial point	First point of capricornus	first point of carpricorn
first point of libra	First Point of Libra	first point；fifteen	First polar body	first polar body
first pole to clear factor	first-pole-to-clear factor [of circuit-breaker]	first polocyte	first port of call	first position
first preselector	first press juice， express juice	First-price auctions	First-price sealed-bid auctions	first principal component
first-principle	first principle	first principle calculation	first-principle calculation	First-principles
first principles	first-principles calculation	First-principles calculations	first print	first-printed resist
first probability distribution	first production part	first programmer	first proof	first published edition
first purple light	first pylon	first quadrant	first quadrant projection	first quantization
first quantum number	first quarter	first quarter; first quarter of the moon; waxing moon	first quarter of a fiscal year	first quarter (of the moon)
First quartile	first quartile	first radiation constant	FIRST READING	first reading
first read rate{=FRR}	first ready first execute{=FRFE}	first record	first referee	first refusal
First Registration of Building Ownership	first resonance frequency	first resonant frequency	first rest	first return time
first review	first revise	first roughing tap	first roving frame	first run
first running	first runnings; singlings	first-run show	first-run syndication	Firsts
firsts	first-sale	first-sale doctrine	First sale doctrine	first sale doctrine
first saloon passenger	first salvo	first scale-step	first-scattering angle	first screen
first season crop	first section	first selecting	first selector	first sergeant
first sergeant's call	first serve	first served first come	first shoot	first short period
first side-lobe amplitude	first signal system	First Similar Illness Date	First Snow along the River (ink painting)	first snowfall
First somatoblast	first somatoblast	first sound	first space	first spawner
first speaker	first species	first species rule	first speed	first [speed] gear
first speed sliding gear	first spermatocyte	First spermatocyte	first spinning reel	first stage
first stage annealing	first-stage biochemical oxygen demand	first stage BOD	first stage certification	first stage diffuser
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